Drainage Material Behind Retaining Wall. Ensure that the drainage pipe. A retaining wall is commonly used in landscaping to either make better use of a slope or create a decorative statement. When people think of retaining walls they tend to think about all the solid materials that go into making the job from how strong and thick the steel beams are to the strength and beautiful design of the concrete sleepers the drainage is an afterthought and is like really drainage is it even necessary or is it just one of those overdone.
There are a number of ways to ensure proper drainage of water from behind a retaining wall. Retaining walls must have drainage behind the wall to prevent water build up that increases the load or lateral pressure and reduces its bearing capacity.
Ensure that the drainage pipe.
There are a number of ways to ensure proper drainage of water from behind a retaining wall. After laying the first course of blocks lay an agricultural drainage pipe with a geotextile sock ag pipe behind the wall on a bed of 10 20mm clean free drainage material. 25 jun drainage behind retaining wall. The grading behind a retaining wall also has an effect on the buildup of water.